Home / 8,556.06-11,807.40-5,019.30

Finding the Fourth Proportional to 8,556.06, 11,807.40 and 5,019.30

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Solution

The fourth proportional to 8,556.06, 11,807.40 and 5,019.30 is: 6,926.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.06 : 11,807.40 = 5,019.30 : x
  2. Step 2: Convert to fraction form
    8,556.06/11,807.40 = 5,019.30/x
  3. Step 3: Cross multiply
    8,556.06x = 11,807.40 × 5,019.30
  4. Step 4: Simplify right side
    8,556.06x = 59,264,882.82
  5. Step 5: Solve for x
    x = 59,264,882.82/8,556.06
  6. Step 6: Final answer
    x = 6,926.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.